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Greenhouse gas emissions from the electricity sector would be reduced at twice the rate proposed by the Turnbull government under a radical new plan
outlined by the Australian Energy Market Operator.

The "fast change" model puts the public operator on a collision course with policymakers after AEMO outlined a potential cut of 52 per cent to all
electricity emissions by 2030, double the rate required to meet our Paris climate change commitments.

The paper comes as the government-created Energy Security Board – of which AEMO's renewables-focused chief executive Audrey Zibelman is a member –
is preparing to release modelling next month for the government's National Energy Guarantee aimed at shoring up reliability while curbing carbon
emissions.

AEMO is majority-owned by the Commonwealth and state governments and is tasked with ensuring energy security as the country transitions to the national
energy guarantee – a policy priority of the Turnbull government

Labor state governments, in particular, hold reservations about the guarantee, including whether it will extend the life of coal-fired power plants
while freezing large-scale renewable energy at 2020-levels for a decade.

The operator forecast the ambitious 52 per cent reduction target could be reached despite strong economic and population growth through a growing uptake
in electric vehicles and rapid cost reductions in wind and grid storage.

The viability of an AEMO "fast change" option over what it described as the "business as usual" policy of the Turnbull government is likely to encourage
state premiers to demand more ambition from Prime Minister Malcolm Turnbull and Environment Minister Josh Frydenberg.

The operator said it was proposing to apply an emissions reduction trajectory consistent with the government's commitment to Paris but the "fast change"
scenario could occur through "accelerated investment" and eventually lead to an emissions reduction of as much as 90 per cent by 2050.

Any such move to double emissions reduction targets would put the energy operator squarely at odds with the government's review of climate policy,
which emphasised that emissions baselines should be increased when businesses require it.

The consultation paper also proposes establishing seven new "renewable energy zones" including two in Nationals heartlands of New England and Northern Queensland, where
it is likely to meet fierce resistance from MPs who voted against giving any subsidies to renewable energy at their national conference last year.

The paper, quietly released the week before Christmas, said "large clusters" of renewable energy zones should be established to promote economies of
scale in high-resource areas and capture geographic and technological diversity.

The proposed zones could take up as much as 0.5 per cent of farm land in NSW, Queensland and Victoria, equivalent to tens of thousands of square kilometres
if fully implemented.

Many would expand on projects that have already begun to create renewable hubs such as the Snowy Hydro in NSW, the Murray Darling area on the Victorian
and SA border and a wind-solar-hydro transmission network between Cairns, Townsville and the Kennedy energy park in Queensland.

The operator argued investment in the zones was needed to maintain the guarantee because 70 per cent of coal generating plants would reach the end
of their intended operating life by 2040.

"It's clear that AEMO has so little regard for this government that it's leaving it by the wayside, which is what anyone who cares about tackling climate
change should do as well," he said.

"The people running our energy system know what needs to be done and thank goodness they've decided to bypass the reckless Turnbull government."

Environment and Energy Minister Josh ;Frydenberg would not comment on the "fast change" proposal or the renewable energy zones but said AEMO was acting
on the recommendations of the Finkel review into the future of the national electricity market.

"AEMO is currently taking submissions on the consultation paper and will develop a final plan by the middle on 2018," he said.